Math, asked by JMVarma8023, 1 year ago

The marks obtained by raja in maths, physics and chemistry are in the ratio 2: 3: 4. If the total marks that- raja obtained in these three subjects is 189, how many marks did raja score in maths?

Answers

Answered by firefistace102003
0

let the marks be

2x (maths)

3x (physics)

4x (Chem.)

total marks = 2x + 3x + 4x = 9x

so

9x = 189

x=21

therefore marks are

maths 2x = 2*21=42

similarly

physics 3*21=63

chemistry 4*21=84

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